Fleet Swallower’s triggered ability can target any player, not just the player it’s attacking.
29-09-2017
wotc
If two Fleet Swallowers attack, each trigger determines the top half of that player’s library separately. For example, if the target player has fifteen cards in their library, that player puts the top eight cards into the graveyard, then puts the top four cards into the graveyard.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.